Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944353 | Agricultural machine | Nikolai F. Kryazhevskikh, Jury P. Shapovalov | 1990-07-31 |
| 4936707 | Method of laying a pipeline | Nikolai F. Kryazhevskikh, Viktor N. Oleinik, Yaroslav P. Sushkov | 1990-06-26 |
| 4925550 | Batch-action apparatus for filtering fluid medium | Nikolai F. Kryazhevskikh, Jury P. Shapovalov | 1990-05-15 |
| 4899489 | Device for growing plants | — | 1990-02-13 |
| 4891115 | Apparatus for cleaning the inner surface of a pipeline from deposits and for forming a protective coating | Jury D. Samuliev, Jury P. Shapovalov, Yaroslav P. Sushkov, Valery P. Panchenko, Evgeny G. Lukin +2 more | 1990-01-02 |
| 4876946 | Flexible hose pump | Nikolai F. Kryazhevskikh, Jury P. Shapovalov | 1989-10-31 |
| 4865673 | Method of applying a protective coating to the inner surface of a pipeline and device for carrying out the method | Nikolai F. Kryazhevskikh, Viktor N. Oleinik, Yaroslav P. Sushkov, Evgeny G. Lukin, Petr G. Sokol +4 more | 1989-09-12 |
| 4841843 | Device for converting energy of fluid medium into mechanical work | Nikolai F. Kryazhevskikh, Jury P. Shapovalov | 1989-06-27 |
| 4839047 | Intermittent-action apparatus for filtering liquid | Nikolai F. Kryazhevskikh, Jury P. Shapovalov | 1989-06-13 |
| 4832843 | Apparatus for filtering fluid medium | — | 1989-05-23 |
| 4828796 | Method of protecting the internal surface of a pipeline against corrosion | Yaroslav P. Sushkov, Duglas Z. Serazetdinov, Evgeny G. Lukin, Viktoria I. Kapralova, Tamara S. Polyanskaya +5 more | 1989-05-09 |
| 4818298 | Method of removing deposits from the inside walls of a pipeline and applying protective coatings thereto | Dmitry N. Cherebedov, Nikolai F. Kryazhevskikh, Valery P. Panchenko, Yaroslav P. Sushkov, Evgeny G. Lukin +4 more | 1989-04-04 |
| 4790934 | Apparatus for filtering fluid medium | Nikolai F. Kryazhevskikh, Jury P. Shapovalov | 1988-12-13 |
| 4770614 | Apparatus for transferring fluid medium | Nikolai F. Kryazhevskikh, Jury P. Shapovalov | 1988-09-13 |
| 4764237 | Method of coating the internal surface of a pipeline with a cement-sand mortar and a device for effecting same | Nikolai F. Kryazhevskikh, Viktor N. Oleinik, Boris I. Shlatgauer, Vladimir L. Medunitsa | 1988-08-16 |
| 4758115 | Pipeline, a method of laying the pipeline and a device for effecting said method | Nikolai F. Kryazhevskikh, Viktor N. Oleinik, Alexei V. Andrianov, Yaroslav P. Sushkov | 1988-07-19 |
| 4756237 | Device for converting energy of fluid medium into mechanical work of working member | Nikolai F. Kryazhevskikh, Jury P. Shapovalov | 1988-07-12 |
| 4745879 | Device for coating the internal surface of a pipeline with a cement-sand mixture | Boris I. Shlatgauer, Vladimir L. Medunitsa | 1988-05-24 |
| 4738742 | Method of protecting the internal surface of pipeline against corrosion and apparatus for performing same | Nikolai F. Kryazhevskikh | 1988-04-19 |
| 4699078 | Apparatus for repairing a pipeline | Boris I. Shlatgauer, Vladimir L. Medunitsa | 1987-10-13 |